3693 search results - page 211 / 739 » User experience over time |
126
Voted
GROUP
2009
ACM
15 years 10 months ago
2009
ACM
As online communities, such as social network sites, mature, they face challenges in sustaining user engagement. To address this, we designed and deployed a rating system to encou...
124
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COLCOM
2008
IEEE
15 years 10 months ago
2008
IEEE
Abstract. We investigate a security framework for collaborative applications that relies on the role-based access control (RBAC) model. In our framework, roles are pre-defined and...
128
Voted
ADC
2006
Springer
15 years 9 months ago
2006
Springer
This paper presents an original approach to modelling user’s information need in text filtering environment. This approach relies on a specific novelty detection model which a...
106
Voted
CEAS
2004
Springer
15 years 9 months ago
2004
Springer
The state of the art sees content-based filters tending towards collaborative filters, whereby email is filtered at the MTA with users feeding information back about false posit...
146
Voted
CCS
2008
ACM
15 years 5 months ago
2008
ACM
Studies have shown that users have great difficulty specifying their security and privacy policies in a variety of application domains. While machine learning techniques have succ...